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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 503 · 40 questions
TalentJR

How to do it in your head (Biggest part first): Split the 3-digit number into hundreds, tens and ones. Multiply the hundreds and keep that number in your head. Multiply the tens and add, then multiply the ones and add.

NameDateTime takenScore ___ / 40
  1. 1.277 × 8 =
  2. 2.803 × 5 =
  3. 3.382 × 9 =
  4. 4.891 × 4 =
  5. 5.326 × 8 =
  6. 6.951 × 8 =
  7. 7.651 × 4 =
  8. 8.187 × 7 =
  9. 9.876 × 9 =
  10. 10.587 × 7 =
  11. 11.503 × 4 =
  12. 12.666 × 3 =
  13. 13.745 × 9 =
  14. 14.665 × 5 =
  15. 15.225 × 5 =
  16. 16.509 × 5 =
  17. 17.451 × 4 =
  18. 18.192 × 9 =
  19. 19.716 × 9 =
  20. 20.137 × 9 =
  21. 21.361 × 5 =
  22. 22.925 × 8 =
  23. 23.119 × 8 =
  24. 24.791 × 3 =
  25. 25.233 × 3 =
  26. 26.445 × 9 =
  27. 27.153 × 6 =
  28. 28.473 × 6 =
  29. 29.247 × 8 =
  30. 30.861 × 9 =
  31. 31.596 × 3 =
  32. 32.205 × 7 =
  33. 33.446 × 4 =
  34. 34.575 × 5 =
  35. 35.295 × 8 =
  36. 36.139 × 9 =
  37. 37.499 × 3 =
  38. 38.329 × 3 =
  39. 39.753 × 5 =
  40. 40.156 × 6 =

Answer key

  1. 2216
  2. 4015
  3. 3438
  4. 3564
  5. 2608
  6. 7608
  7. 2604
  8. 1309
  9. 7884
  10. 4109
  11. 2012
  12. 1998
  13. 6705
  14. 3325
  15. 1125
  16. 2545
  17. 1804
  18. 1728
  19. 6444
  20. 1233
  21. 1805
  22. 7400
  23. 952
  24. 2373
  25. 699
  26. 4005
  27. 918
  28. 2838
  29. 1976
  30. 7749
  31. 1788
  32. 1435
  33. 1784
  34. 2875
  35. 2360
  36. 1251
  37. 1497
  38. 987
  39. 3765
  40. 936

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